Yokogawa IR400 - Manual (Page 73)

6 - 34
IM 11G02N01-01E
• Error Log screen
6.8 Maintenance mode
This mode is used for check of sensor input values, display of error log files or setting of pass-
words, etc. First, enter a password and then use it from the next operation. This mode is displayed
by selecting the Maintenance Mode from “Item 6.7 Parameter Setting”.
Each “Maintenance” screen
( )
ENT
•
NOx M : NOx sensor input value
•
NOx C : NOx interference compensation
sensor input value
•
SO
2
M : SO
2
sensor input value
•
SO
2
C : SO
2
interference compensation
sensor input value
•
CO
2
M : CO
2
sensor input value
•
CO
2
C : CO
2
interference compensation
sensor input value
•
CO M : CO sensor input value
•
CO C : CO interference compensation
sensor input value
•
Temperature: temperature sensor input value
•
O
2
: O
2
sensor input value
Description of Sensor Input Value screen
(1) Select the Maintenance mode from the
Parameter Setting screen to display the
Password Setting screen.
(2) Enter the password, and the Maintenance
Mode item selection screen will be
displayed. Point the cursor to the item
you want to set by pressing the or
key and press the
ENT
key.
(3) Next, each Maintenance screen is
displayed.
Note) “To Factory Mode” is used for our
service engineers only. Refrain from
using this mode.
(4) Press the
ESC
key to return to the
Maintenance Mode item selection screen
from each screen.
Error history. Fourteen newest errors are logged.
For error number, date and time (year, month, day,
period) of occurrence, channel and other details of
error, refer to Item 8.1 Error message.
Select Clear Error Log and press the key, and
the error log is cleared completely.
Description of Error Log screen
ENT